(19)

(11)

EP 3 004 032 A1

(12)

(43) Date of publication: 13.04.2016 Bulletin 2016/15 (21) Application number: 14733002.1 (22) Date of filing: 12.05.2014

(51) International Patent Classification (IPC):  C07B 51/00(2006.01) C07D 309/30(2006.01) (86) International application number: PCT/US2014/037634 (87) International publication number: WO 2014/197169 (11.12.2014 Gazette 2014/50)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 05.06.2013 US 201361831503 P (71) Applicant: Univation Technologies, LLC Houston, TX 77056 (US)	(72) Inventors: HARLAN, C., Jeff Houston, TX 77059 (US) BROWN, Steve, D. League City, TX 77573 (US) (74) Representative: Boult Wade Tennant  Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)